When a Man Loves is a 1927 American silent historical drama film directed by Alan Crosland and produced and distributed by Warner Bros. The picture stars John Barrymore and features Dolores Costello in the frequently filmed story of Abbe Prevost's 1731 novel Manon Lescaut. The UK release title was His Lady. The film was the third feature from Warners to have a pre-recorded Vitaphone soundtrack.